Note: These are unofficial documents' translations.

Act on renewable energy sources and high efficiency cogeneration
Energy Act (PDF, 100 KB, Official Gazette 120/12)
Electricity Market Act (PDF, 371 kB, Official Gazette 22/13)
Act on Amendments to the Energy Act (PDF, 45.5 kB, Official Gazette 177/04)
Energy Act (PDF, 149.7 kB, Official Gazette 68/01) - available only in the Croatian language
Electricity Market Act (PDF, 99.6 kB, Official Gazette 177/04)
Act on the Regulation of Energy Activities (PDF, 77.2 kB, Official Gazette 177/04)